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| author | Francis Rowe <info@gluglug.org.uk> | 2015-11-06 17:43:29 (EST) |
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| committer | Francis Rowe <info@gluglug.org.uk> | 2015-11-06 23:45:09 (EST) |
| commit | 95259e28ef047923258434898113d70c8e544eab (patch) | |
| tree | 1c0501bf4c7df1c31948184dabfc1e7c4c215a6e /docs/install/t400_external.html | |
| parent | 707f9383a8189b0054730134340f20709f56f976 (diff) | |
| download | libreboot-95259e28ef047923258434898113d70c8e544eab.zip libreboot-95259e28ef047923258434898113d70c8e544eab.tar.gz libreboot-95259e28ef047923258434898113d70c8e544eab.tar.bz2 | |
convert documentation to texinfo
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| -rw-r--r-- | docs/install/t400_external.html | 582 |
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diff --git a/docs/install/t400_external.html b/docs/install/t400_external.html deleted file mode 100644 index ef8e8b2..0000000 --- a/docs/install/t400_external.html +++ /dev/null @@ -1,582 +0,0 @@ -<!DOCTYPE html> -<html> -<head> - <meta charset="utf-8"> - <meta name="viewport" content="width=device-width, initial-scale=1"> - - <style type="text/css"> - @import url('../css/main.css'); - </style> - - <title>ThinkPad T400: flashing tutorial (BeagleBone Black)</title> -</head> - -<body> - - <div class="section"> - <h1 id="pagetop">Flashing the T400 with a BeagleBone Black</h1> - - <p>Initial flashing instructions for T400.</p> - <p> - This guide is for those who want libreboot on their ThinkPad T400 - while they still have the original Lenovo BIOS present. This guide - can also be followed (adapted) if you brick your T400, to know how - to recover. - </p> - - <p><a href="index.html">Back to main index</a></p> - </div> - - <div class="section"> - - <h1 id="preinstall">T400 laptops with libreboot pre-installed</h1> - - <p> - If you don't want to install libreboot yourself, companies exist that sell these laptops - with libreboot pre-installed, along with a free GNU/Linux distribution. - </p> - <p> - Check the <a href="../../suppliers">suppliers</a> page for more information. - </p> - - </div> - - <div class="section"> - - <h2 id="serial_port">Serial port</h2> - - <p> - EHCI debug might not be needed. It has been reported that the docking station - for this laptop has a serial port, so it might be possible to use that instead. - </p> - - </div> - - <div class="section"> - - <h1 id="lcd_compatibility">LCD compatibly</h1> - <p> - Not all LCD panels are compatible yet. See <a href="../hcl/gm45_lcd.html">../hcl/gm45_lcd.html</a>. - </p> - - </div> - - <div class="section" id="cpu_compatibility"> - - <h1>A note about CPUs</h1> - <p> - <a href="http://www.thinkwiki.org/wiki/Category:T400">ThinkWiki</a> has a list of CPUs - for this system. The Core 2 Duo P8400, P8600 and P8700 are believed to work in libreboot. - The T9600 was confirmed to work, so the T9500/T9550 probably also work. - </p> - - <h2>Quad-core CPUs</h2> - - <p> - Although blocked by lenovobios (as was reported), it is reported that there are quad-core CPUs - for GM45. This laptop has socketed CPUs, so it might be possible to use them - (they are untested in coreboot; support may have to be added). - Core 2 Quad Q9000, Q9100 or QX9300. - </p> - - <p> - Look at this link:<br/> - <a href="https://en.wikipedia.org/wiki/List_of_Intel_Core_2_microprocessors#Quad-Core_Notebook_processors">https://en.wikipedia.org/wiki/List_of_Intel_Core_2_microprocessors#Quad-Core_Notebook_processors</a> - </p> - - </div> - - <div class="section" id="switchable_graphics"> - - <h1>A note about GPUs</h1> - - <p> - Some models have an Intel GPU, while others have both an ATI and an Intel GPU; this - is referred to as "switchable graphics". In the <i>BIOS setup</i> program - for lenovobios, you can specify that the system will use one or the other (but not both). - </p> - - <p> - Libreboot is known to work on systems with only the Intel GPU, using native graphics initialization. - On systems with switchable graphics, the Intel GPU is used and the ATI GPU is disabled, so - native graphics initialization works all the same. - </p> - - <h1>CPU paste required</h1> - - <p> - See <a href="#paste">#paste</a>. - </p> - - </div> - - <div class="section"> - - <h1 id="flashchips">Flash chip size</h1> - - <p> - Use this to find out:<br> - # <b>dmidecode | grep ROM\ Size</b> - </p> - - <p> - <a href="#pagetop">Back to top of page.</a> - </p> - - </div> - - <div class="section photos"> - - <h1 id="macaddress">MAC address</h1> - - <p> - On the T400, the MAC address for the onboard - gigabit ethernet chipset is stored inside the flash chip, - along with other configuration data. - </p> - <p> - Keep a note of the MAC address before disassembly; this is - very important, because you will need to insert this into - the libreboot ROM image before flashing it. - It will be written in one of these locations: - </p> - - <p> - <img src="images/t400/macaddress0.jpg" alt="" /> - <img src="images/t400/macaddress1.jpg" alt="" /> - <img src="images/x200/disassembly/0001.jpg" alt="" /> - </p> - - </div> - - <div class="section photos"> - - <h1>Initial BBB configuration</h1> - - <p> - Refer to <a href="bbb_setup.html">bbb_setup.html</a> for how to - configure the BBB for flashing. - </p> - - <p> - The following shows how to connect clip to the BBB (on the P9 header), for SOIC-16 (clip: Pomona 5252): - </p> -<pre> -POMONA 5252 (correlate with the BBB guide) -=== ethernet jack and VGA port ==== - NC - - 21 - 1 - - 17 - NC - - NC - NC - - NC - NC - - NC - NC - - NC - 18 - - 3.3V (PSU) - 22 - - NC - this is pin 1 on the flash chip -=== SATA port === -<i>This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack.</i><br/> -<img src="images/t400/0065.jpg" alt="" /> -</pre> - <p> - The following shows how to connect clip to the BBB (on the P9 header), for SOIC-8 (clip: Pomona 5250): - </p> -<pre> -POMONA 5250 (correlate with the BBB guide) -=== RAM slots ==== - 18 - - 1 - 22 - - NC - NC - - 21 - 3.3V (PSU) - - 17 - this is pin 1 on the flash chip -=== slot where the AC jack is connected ===<br/> -<i>This is how you will connect. Numbers refer to pin numbers on the BBB, on the plugs near the DC jack.</i><br/> -<img src="images/t500/0060.jpg" alt="" /> -</pre> - - <h2> - The procedure - </h2> - - <p> - Remove <i>all</i> screws, placing them in the order that you removed them:<br/> - <img src="images/t400/0001.jpg" alt="" /> - <img src="images/t400/0002.jpg" alt="" /> - </p> - <p> - Remove those three screws then remove the rear bezel:<br/> - <img src="images/t400/0003.jpg" alt="" /> - <img src="images/t400/0004.jpg" alt="" /> - <img src="images/t400/0005.jpg" alt="" /> - <img src="images/t400/0006.jpg" alt="" /> - </p> - <p> - Remove the speakers:<br/> - <img src="images/t400/0007.jpg" alt="" /> - <img src="images/t400/0008.jpg" alt="" /> - <img src="images/t400/0009.jpg" alt="" /> - <img src="images/t400/0010.jpg" alt="" /> - <img src="images/t400/0011.jpg" alt="" /> - </p> - <p> - Remove the wifi:<br/> - <img src="images/t400/0012.jpg" alt="" /> - <img src="images/t400/0013.jpg" alt="" /> - </p> - <p> - Remove this cable:<br/> - <img src="images/t400/0014.jpg" alt="" /> - <img src="images/t400/0015.jpg" alt="" /> - <img src="images/t400/0016.jpg" alt="" /> - <img src="images/t400/0017.jpg" alt="" /> - <img src="images/t400/0018.jpg" alt="" /> - </p> - <p> - Unroute those antenna wires:<br/> - <img src="images/t400/0019.jpg" alt="" /> - <img src="images/t400/0020.jpg" alt="" /> - <img src="images/t400/0021.jpg" alt="" /> - <img src="images/t400/0022.jpg" alt="" /> - <img src="images/t400/0023.jpg" alt="" /> - </p> - <p> - Remove the LCD assembly:<br/> - <img src="images/t400/0024.jpg" alt="" /> - <img src="images/t400/0025.jpg" alt="" /> - <img src="images/t400/0026.jpg" alt="" /> - <img src="images/t400/0027.jpg" alt="" /> - <img src="images/t400/0028.jpg" alt="" /> - <img src="images/t400/0029.jpg" alt="" /> - <img src="images/t400/0030.jpg" alt="" /> - <img src="images/t400/0031.jpg" alt="" /> - </p> - <p> - Disconnect the NVRAM battery:<br/> - <img src="images/t400/0033.jpg" alt="" /> - </p> - <p> - Disconnect the fan:<br/> - <img src="images/t400/0034.jpg" alt="" /> - </p> - <p> - Unscrew these:<br/> - <img src="images/t400/0035.jpg" alt="" /> - <img src="images/t400/0036.jpg" alt="" /> - <img src="images/t400/0037.jpg" alt="" /> - <img src="images/t400/0038.jpg" alt="" /> - </p> - <p> - Unscrew the heatsink, then lift it off:<br/> - <img src="images/t400/0039.jpg" alt="" /> - <img src="images/t400/0040.jpg" alt="" /> - </p> - <p> - Disconnect the power jack:<br/> - <img src="images/t400/0041.jpg" alt="" /> - <img src="images/t400/0042.jpg" alt="" /> - </p> - <p> - Loosen this:<br/> - <img src="images/t400/0043.jpg" alt="" /> - </p> - <p> - Remove this:<br/> - <img src="images/t400/0044.jpg" alt="" /> - <img src="images/t400/0045.jpg" alt="" /> - <img src="images/t400/0046.jpg" alt="" /> - <img src="images/t400/0047.jpg" alt="" /> - <img src="images/t400/0048.jpg" alt="" /> - </p> - <p> - Unscrew these:<br/> - <img src="images/t400/0049.jpg" alt="" /> - <img src="images/t400/0050.jpg" alt="" /> - </p> - <p> - Remove this:<br/> - <img src="images/t400/0051.jpg" alt="" /> - <img src="images/t400/0052.jpg" alt="" /> - </p> - <p> - Unscrew this:<br/> - <img src="images/t400/0053.jpg" alt="" /> - </p> - <p> - Remove the motherboard (the cage is still attached) from - the right hand side, then lift it out:<br/> - <img src="images/t400/0054.jpg" alt="" /> - <img src="images/t400/0055.jpg" alt="" /> - <img src="images/t400/0056.jpg" alt="" /> - </p> - <p> - Remove these screws, placing the screws in the same layout - and marking each screw hole (so that you know what ones - to put the screws back into later): - <img src="images/t400/0057.jpg" alt="" /> - <img src="images/t400/0058.jpg" alt="" /> - <img src="images/t400/0059.jpg" alt="" /> - <img src="images/t400/0060.jpg" alt="" /> - <img src="images/t400/0061.jpg" alt="" /> - <img src="images/t400/0062.jpg" alt="" /> - </p> - <p> - Separate the motherboard:<br/> - <img src="images/t400/0063.jpg" alt="" /> - <img src="images/t400/0064.jpg" alt="" /> - </p> - <p> - Connect your programmer, then connect GND and 3.3V<br/> - <img src="images/t400/0065.jpg" alt="" /> - <img src="images/t400/0066.jpg" alt="" /> - <img src="images/t400/0067.jpg" alt="" /> - <img src="images/t400/0069.jpg" alt="" /> - <img src="images/t400/0070.jpg" alt="" /> - <img src="images/t400/0071.jpg" alt="" /> - </p> - <p> - A dedicated 3.3V PSU was used to create this guide, but - at ATX PSU is also fine:<br/> - <img src="images/t400/0072.jpg" alt="" /> - </p> - - <p> - Of course, make sure to turn on your PSU:<br/> - <img src="images/x200/disassembly/0013.jpg" alt="" /> - </p> - - <p> - Now, you should be ready to install libreboot. - </p> - - <p> - Flashrom binaries for ARM (tested on a BBB) are distributed in libreboot_util. Alternatively, - libreboot also distributes flashrom source code which can be built. - </p> - <p> - Log in as root on your BBB, using the instructions in <a href="bbb_setup.html#bbb_access">bbb_setup.html#bbb_access</a>. - </p> - <p> - Test that flashrom works:<br/> - # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512</b><br/> - In this case, the output was: - </p> -<pre> -flashrom v0.9.7-r1854 on Linux 3.8.13-bone47 (armv7l) -flashrom is free software, get the source code at http://www.flashrom.org -Calibrating delay loop... OK. -Found Macronix flash chip "MX25L6405(D)" (8192 kB, SPI) on linux_spi. -Found Macronix flash chip "MX25L6406E/MX25L6436E" (8192 kB, SPI) on linux_spi. -Found Macronix flash chip "MX25L6445E/MX25L6473E" (8192 kB, SPI) on linux_spi. -Multiple flash chip definitions match the detected chip(s): "MX25L6405(D)", "MX25L6406E/MX25L6436E", "MX25L6445E/MX25L6473E" -Please specify which chip definition to use with the -c <chipname> option. -</pre> - <p> - How to backup factory.rom (change the -c option as neeed, for your flash chip):<br/> - # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -r factory.rom</b><br/> - # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -r factory1.rom</b><br/> - # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -r factory2.rom</b><br/> - Note: the <b>-c</b> option is not required in libreboot's patched flashrom, because - the redundant flash chip definitions in <i>flashchips.c</i> have been removed.<br/> - Now compare the 3 images:<br/> - # <b>sha512sum factory*.rom</b><br/> - If the hashes match, then just copy one of them (the factory.rom) to a safe place (on a drive connected to another system, not - the BBB). This is useful for reverse engineering work, if there is a desirable behaviour in the original firmware - that could be replicated in coreboot and libreboot. - </p> - <p> - Follow the instructions at <a href="../hcl/gm45_remove_me.html#ich9gen">../hcl/gm45_remove_me.html#ich9gen</a> - to change the MAC address inside the libreboot ROM image, before flashing it. - Although there is a default MAC address inside the ROM image, this is not what you want. <b>Make sure - to always change the MAC address to one that is correct for your system.</b> - </p> - <p> - Now flash it:<br/> - # <b>./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -w path/to/libreboot/rom/image.rom -V</b> - </p> - <p> - <img src="images/x200/disassembly/0015.jpg" alt="" /> - </p> - <p> - You might see errors, but if it says <b>Verifying flash... VERIFIED</b> at the end, then it's flashed and should boot. - If you see errors, try again (and again, and again); the message <b>Chip content is identical to the requested image</b> - is also an indication of a successful installation. - </p> - <p> - Example output from running the command (see above): - </p> -<pre> -flashrom v0.9.7-r1854 on Linux 3.8.13-bone47 (armv7l) -flashrom is free software, get the source code at http://www.flashrom.org -Calibrating delay loop... OK. -Found Macronix flash chip "MX25L6405(D)" (8192 kB, SPI) on linux_spi. -Reading old flash chip contents... done. -Erasing and writing flash chip... FAILED at 0x00001000! Expected=0xff, Found=0x00, failed byte count from 0x00000000-0x0000ffff: 0xd716 -ERASE FAILED! -Reading current flash chip contents... done. Looking for another erase function. -Erase/write done. -Verifying flash... VERIFIED. -</pre> - - <p> - <a href="#pagetop">Back to top of page.</a> - </p> - - </div> - - <div class="section photos" id="paste"> - - <h1>Thermal paste (IMPORTANT)</h1> - - <p> - Because part of this procedure involved removing the heatsink, you will need to apply new paste. - Arctic MX-4 is ok. You will also need isopropyl alcohol and an anti-static cloth to clean with. - </p> - - <p> - When re-installing the heatsink, you must first clean off all old paste with the alcohol/cloth. - Then apply new paste. Arctic MX-4 is also much better than the default paste used on these systems. - </p> - - <p> - <img src="images/t400/paste.jpg" alt="" /> - </p> - - <p> - NOTE: the photo above is for illustration purposes only, and does not show how to properly apply the thermal paste. - Other guides online detail the proper application procedure. - </p> - - </div> - - <div class="section"> - - <h1 id="wifi">Wifi</h1> - - <p> - The T400 typically comes with an Intel wifi chipset, which does not - work without proprietary software. For a list of wifi chipsets that - work without proprietary software, see - <a href="../hcl/index.html#recommended_wifi">../hcl/index.html#recommended_wifi</a>. - </p> - - <p> - Some T400 laptops might come with an Atheros chipset, but this is 802.11g only. - </p> - - <p> - It is recommended that you install a new wifi chipset. This can only - be done after installing libreboot, because the original firmware has - a whitelist of approved chips, and it will refuse to boot if you - use an 'unauthorized' wifi card. - </p> - - <p> - The following photos show an Atheros AR5B95 being installed, to - replace the Intel chip that this T400 came with:<br/> - <img src="images/t400/0012.jpg" alt="" /> - <img src="images/t400/ar5b95.jpg" alt="" /> - </p> - - </div> - - <div class="section"> - - <h1 id="wwan">WWAN</h1> - <p> - If you have a WWAN/3G card and/or sim card reader, remove them permanently. - The WWAN-3G card has proprietary firmware inside; the technology is - identical to what is used in mobile phones, so it can also track your movements. - </p> - <p> - Not to be confused with wifi (wifi is fine). - </p> - - </div> - - <div class="section photos"> - - <h1 id="memory">Memory</h1> - - <p> - You need DDR3 SODIMM PC3-8500 RAM installed, in matching pairs - (speed/size). Non-matching pairs won't work. You can also install a - single module (meaning, one of the slots will be empty) in slot 0. - </p> - - <p> - Make sure that the RAM you buy is the 2Rx8 density. - </p> - - <p> - The following photo shows 8GiB (2x4GiB) of RAM installed:<br/> - <img src="images/t400/memory.jpg" alt="" /> - </p> - - </div> - - <div class="section photos"> - - <h2> - Boot it! - </h2> - <p> - You should see something like this: - </p> - <p> - <img src="images/t400/boot0.jpg" alt="" /> - <img src="images/t400/boot1.jpg" alt="" /> - </p> - - <p> - Now <a href="../gnulinux/index.html">install GNU/Linux</a>. - </p> - - </div> - - <div class="section"> - - <p> - Copyright © 2015 Francis Rowe <info@gluglug.org.uk><br/> - Permission is granted to copy, distribute and/or modify this document - under the terms of the GNU Free Documentation License, Version 1.3 - or any later version published by the Free Software Foundation; - with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. - A copy of the license can be found at <a href="../gfdl-1.3.txt">../gfdl-1.3.txt</a> - </p> - - <p> - Updated versions of the license (when available) can be found at - <a href="https://www.gnu.org/licenses/licenses.html">https://www.gnu.org/licenses/licenses.html</a> - </p> - - <p> - UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE - EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS - AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF - ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS, - IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION, - WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR - PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS, - ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT - KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT - ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU. - </p> - <p> - TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE - TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION, - NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT, - INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES, - COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR - USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN - ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR - DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR - IN PART, THIS LIMITATION MAY NOT APPLY TO YOU. - </p> - <p> - The disclaimer of warranties and limitation of liability provided - above shall be interpreted in a manner that, to the extent - possible, most closely approximates an absolute disclaimer and - waiver of all liability. - </p> - - </div> - -</body> -</html> |